As reported in last month’s Bulletin, the rules requiring Rally2/R5 cars to run in homologated specification came into force from 01 January which includes the requirement to run a 32mm restrictor and a homologated pop-off valve.
We advised at the seminars that there would be guidance issued for Scrutineers on the principles and accepted methods of checking the eligibility of the homologated pop-off valves and their installation.
This guidance is now available to view in the Resource Centre area on the Motorsport UK website, by selecting Technical: Car, then Miscellaneous in the filters. It can also be viewed at the link below.
Rally2/R5 Pop-Off Valve Scrutineering guidance
As a reminder, the only modification from Homologated specification permitted for this vehicle type is a right-hand drive conversion. Please familiarise yourself with NCR Ch.13 App.16 Art.4.2.a and Ch.13 App.24 Chart 50.